See also:

DOT Quality Grades
Treadwear Traction AA A B C Temperature A B C Conform to Federal Safety Requirements All passenger car tires must conform to Federal Safety Requirements in addition to these grades.◀ ...

Switch off any functions that are not currently needed
Functions such as seat heating and the rear window defroster require a lot of energy and consume additional fuel, especially in city and stopand- go traffic. Therefore, switch off these functio ...

Environmental conditions
▷ Say the commands, numbers, and letters smoothly and with normal volume, emphasis, and speed. ▷ Always say commands in the language of the system. The language for the mobile pho ...